Sofa wants to be double-decker bunk bed. Sofa wants to be double-decker bunk bed. Sofa wants to be double-decker bunk bed. Sofa becomes double-decker bunk bed. This invention by Doc XL is evidently at least seven years old, as this Boing Boing post from 2005 testifies. Surely sofas of 2012 that can transform into an entire backpacker’s inn exist by now? But we still want this bunk bed sofa.